Closure for containers



July 20 1926. 1,592,819

s. L. BUSCHMAN CLOSURE FOR CONTAINERS Filed May 2. 1924 I N VEN TOR.

A TTORNEYS Patented 'July 20, 1926.

UNITED STATES PATENT oFFicE.

SOL L. BUSCHMAN; OF NEW YORK, N. Y.,

ASSIGN OR TO METAL PACKAGE CORPORA- TION OF NEW YORK, OF NEW YORK, N. Y., A CORPORATION OF NEW YORK.

CLOSURE FOR CONTAINERS.

Application filed May 2,

My invention relates to closures or caps for closing bottles or other containers and in an air-tight manner and it is adapted in its application to supersede the well-known crown cap which is applied and held to the bottle by a tool which bends or turns the lower edge an annular neck of the moved by a bead on the upper end of the bottle and which must be .respecial opener.

Although it is not to be so limited in its application the invention is peculiarly adapted for closing and sealing bottles or other containers containing a charged or effervescent water or other liquid. It is superior to the caps'hereto-fore used for that purpose inasmuch as it may be applied manually and after it has been removed it may readily be replaced manuallyon the neck of the bottle and it will then function just as effectively as it did on its first application.

Further objects and advantages of the inven ion will appear from the accompanying description, the invention consisting in the novel closure hereinafter more particularly described and then specified in the claim.

In the accompanying drawing illustrating a practical embodiment of the invention:

Fig. 1 is a side elevation (partly in section) of the neck of a bottle showing the closure in section before it is screwed into closing or air-tight position. I

Fig. 2 is a similar view showing the position of the closure after it has been screwed home or into closing position.

Fig. 3 is a plan view of the cap.

Referring in detail to the several figures of the drawing: y

1 indicates a bottle which may be of glass or any other material and which is provided with a neck 2 which is exteriorly screwthreaded as illustrated. 3 indicates the upper wall of a metallic closure or cap, said cap being provided with a downwardly depending annular flange 4 which is interiorly screw-threaded and which is adapted to be screwed on the neck 2. The upper wall 3 is provided with an annular depression or inverted bead 5 which is positioned adjacent the inner wall of the mouth of the bottle when the cap is screwed on the neck. The upper wall 3 is also provided with a of the flange of the cap under 1924. Serial No. 710,498.

central annular and indented portion 6 extending downwardly below the surface of said wall.

The formation of the depressed bead 5 results in inner and outer upwardly inclined portions, the former cooperating with the indented portion 6 to resist upward or inward movement of the head 5 when it is compressed against the material forming the neck 2 of the receptacle 1. 7 indicates a Hat washer preferably of more or less pliable or flexible cork, the composition thereof havm enli configuration or shape after it has been deformed by pressure applied thereto. Said washer fits snugly and is frictionally held within the cap and engages the inner wall thereof as well as the inverted bead or depression 5.

When the cap is applied to the neck of the bottle and is screwed down tightly thereon into the position shownin Fig. 2 the configuration of the cork washer 7 will be deformed so as to followthe contour of the upper wall 3, the inverted bead 5, and the indentation 6 as clearly shown in Fig. 2'and that portion of the washer adjacent its periphery will be clamped against the edges of the neck of the bottle by that portion of the upper wall 3 adjacent its periphery. Those portions of the cork which engage the indentation 6 and inverted. head 5 will be forced within the mouth of the bottle, the inverted bead 5 acting also to jam the washer firmly and securely against the periphery of the edge of the mouth of the neck of the bottle to provide an alrtight closure. When it is desired to use the contents of the bottle or container it is merely necessary to unscrew and remove the cap, the cork meanwhile being frictionally held within the cap and retaining the configuration into which it has been deformed. When sufficient amount of the contents of the bottle has been used the cap may again be apphed to and screwed firmly on the neck whereupon it will again act as an air-tight closure for the bottle or container.

What I claim as my invention is A closure for receptacles having a screwthreaded neck and comprising a cap provided with an upper wall and with a depending screw-threaded annular flange qualities permitting it to retain a differadapted to be screwed on said neck, said upper wall including an inturned circular bead formed by inner and outer upwardly inclined circular portions, said bead being 5 positionedadjacent to the material forming the neck of said receptacle when said cap is screwed thereon and a flexible disk within said cap and compressible between said bead and the neck of said receptacle.

Signed at New York in the county of New York and State of New York this 26th day of April, A. D. 1924.

SOL L. BUSGHN. 

